The nature of time has plagued thinkers for as long as we've tried to understand the world we live in. Intuitively, we know what time is, but try to explain it, and we end up tying our minds in knots.

Nobody has ever figured out precisely why Stephen Hawking’s first popular book, A Brief History of Time, has been such a gigantic success, selling an astonishing 10 million copies since it was ...

Time itself isn't difficult to grasp: we all understand it, despite our persistent struggle to describe it. The problem is one of articulation: a failure to precisely draw the right boundaries around ...